AI Models · Open-Source vs Paid

INLing 3.0 Flash Open vs Solar Pro 4 Paid

Ling 3.0 Flash vs Solar Pro 4 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

INLing 3.0 FlashOpenInclusionai
$0.02 /M input
$0.06 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window262K tokens
MultimodalNo
Self-hostYes
Solar Pro 4PaidUpstage
$0.09 /M input
$0.36 /M outputManaged API (no infra to run)
TypeProprietary
Context window524K tokens
MultimodalNo
Self-hostNo
Choose Ling 3.0 Flash if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Solar Pro 4 if you want frontier capability through a managed API with zero infrastructure to run.

Ling 3.0 Flash vs Solar Pro 4 specs

SpecLing 3.0 FlashSolar Pro 4Winner
MakerInclusionaiUpstage
TypeOpen-weightProprietaryINLing 3.0 Flash
Context window262K tokens524K tokensSolar Pro 4
Input price$0.02/M · free self-host$0.09/MINLing 3.0 Flash
Output price$0.06/M · free self-host$0.36/MINLing 3.0 Flash
Vision / multimodalNoNo
Tool / function callingYesYes= Tie
Self-hostableYesNo (API only)INLing 3.0 Flash
LicenseOpen weightsProprietaryINLing 3.0 Flash

Price gap & when to choose each

6.0×cheaper per output token

Ling 3.0 Flash is ~6.0× cheaper than Solar Pro 4 on output tokens ($0.06 vs $0.36 per M tokens).

INChoose Ling 3.0 Flash if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose Solar Pro 4 if…
  • You want frontier performance through a managed API
  • You need the longer 524K context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityLing 3.0 FlashSolar Pro 4
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Ling 3.0 Flash vs Solar Pro 4

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

Ling 3.0 Flash delivers 4.2× more intelligence per dollar.
Ling 3.0 Flash
Solar Pro 4
Intelligence index
24.9
28.2
Coding index
50.6
52.7
GPQA
85.5%
89.1%
Humanity's Last Exam
23.7%
29.2%
Long Context Reasoning
73%
74%
SciCode
42%
44.6%
τ-Bench Banking
27.2%
23.3%
Terminal-Bench
55.4%
57.3%
Speed
333.9 tok/s
50.1 tok/s
Latency
1.72s
1.09s
Intelligence per $
224.3
53.7

Benchmark data by Artificial Analysis.

How Ling 3.0 Flash and Solar Pro 4 score

🏆 Best value & openness: Ling 3.0 Flash (4.5 vs 3.1 / 5)
CriterionLing 3.0 FlashSolar Pro 4
Cost-efficiency5.05.0
Context window4.04.5
Openness5.01.5
Self-hosting5.01.0
Multimodality3.53.5

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

Ling 3.0 Flash Open

Inclusionai · Open-weight

*Ling-3.0-flash* is a *124B-parameter Mixture-of-Experts (MoE) model*, with approximately *5.1B parameters activated per token*. The model is designed with *token efficiency and production-scale agentic inference* as key priorities, enablin

Solar Pro 4 Paid

Upstage · Proprietary

Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
Ling 3.0 Flash VLLing 3.0 Flash VL (free)

Frequently asked questions

Is Ling 3.0 Flash as good as Solar Pro 4?

Ling 3.0 Flash is open-weight and competitive on many tasks, but Solar Pro 4 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Ling 3.0 Flash locally?

Yes. Ling 3.0 Flash has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Solar Pro 4 is API-only and cannot be self-hosted.

How much cheaper is Ling 3.0 Flash?

Ling 3.0 Flash costs $0.06/M output vs $0.36/M for Solar Pro 4 — roughly 6x cheaper via API, and free if you self-host.

Ling 3.0 Flash vs Solar Pro 4 — which should I pick in 2026?

Choose Ling 3.0 Flash if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Solar Pro 4 if you want frontier capability through a managed API with zero infrastructure to run.

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